Battery for a mobile device



FIG. 1 is a perspective view of an ornamental design of a battery for a mobile device showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a side view thereof; and,

FIG. 7 is an opposite side view thereof.

The broken lines shown in FIGS. 1–7 are included for illustrative purposes only and form no part of the claimed design. The broken lines which define the bounds of the claimed design form no part thereof. 

The ornamental design for a battery for a mobile device, as shown and described. 